---
title: "Trend — secret diary for girls - Flapen"
canonical_url: "https://flapen.com/research/uk/stationery-office-supplies/secret-diary-for-girls/trend"
last_updated: "2026-07-31T12:31:32.490Z"
locale: en
meta:
  description: "Niche score 54/100 · £105K/yr market · 233K searches/yr · £10.84 avg price. Soft demand (-11.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 54/100 · £105K/yr market · 233K searches/yr · £10.84 avg price. Soft demand (-11.7% this quarter) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — secret diary for girls - Flapen"
---

# **secret diary for girls**

**Worth a look**

Shows low returns (0.9%), but soft demand (-11.7% this quarter) keeps it on the watch list.

Market size 26Growth 19Conversion 51Competition 79Returns 95Price range 68Avg price 40Brand share 66Review moat 87Quality gap 38

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****255.69**

avg incumbent reviews — the moat a new listing must climb

**Competition**

**Great****36%**

top-5 click share — an open shelf

**Price range**

**Good****£4.95–£35.90**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Brand share**

**Good****65%**

top-5 brand share — brands hold most of the demand

**Conversion**

**Good****4.2%**

search→purchase rate — share of searches ending in a sale

**Avg price**

**Okay****£10.84**

avg listing price — sweet spot $15–$100

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Market size**

**Okay****£105K**

£105K/yr · 233K searches

**Growth**

**Bad****-11.7%**

90-day search growth — must beat 0% to launch

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=uk&signal=no_dominant_brand "Top brand's click share < 20%")